CRYPTOGAMIA. FILICES. i8 75 . Afplenium, 16S7 



monfanum. More than decompound : leafets 3 together, tripinna- 

 tifid ; ultimate divifions fomewhat falcate, obtufe, toothed at 

 top. Plum, jilt 89-/4. 



1875. ASPLENIUM. Frutlrfication in ftraight fcattered 



lines : involucre originating laterally from a vein opening 



towards the tip. Spleen wort. 



A. Frond undivided. 



lanceum. Frond elliptic, glabrous : ftalk round, fcaly. Thunb ic 



rbizophyllum. Frond heart-en ciform, filiform and rooting at top. 



Pluk. aim. tab. 105./ 3. 

 Nidus. Frond nearly leffile, broad lanceolate, tapering and rooting 



at top. Sloan* Jam- \. t 26 f. 1. 

 /erratum. Frond lanceolate, ferrate, fubfeffile. Plum, /• 124. 

 bifolium Fronds binate : leafets united at the bafe, lanceolate, 

 {lightly sinuate. Plum.fil. tab. 133. 



B* Frond divided- 

 *feptentrionale. Stalk naked, glabrous, 3-parted at top ; fegments 



alternate, linear, toothed at top. Eng. Bot. /. 10 17. 

 mu ft rale. Stalks naked, glabrous, forked at top : fegments fubulate, 



curved to one side. Linn. Acroft. 

 radiatum. Stalks naked, glabrous, radiately forked at top, with linear 



acute ftraight fegments. Vahl.Jymb. 1. /, 25. 

 Hemiomitis- Fronds heart-halbert-fhaped ; 5-lobed, Linn. 



C. Frond pinnatifid. 



* Caterach. Fronds pinnatifid, with alternate confluent obtufe divi- 

 fions, fcaly underneath. Eng Bot. t. 1244. 



$btufifolium. Fronds fomewhat pinnate, with alternate obtufe finuate 

 decurrent divifions. Plum. fil. t. 67. 



D. Frond pinnate, 

 fumilum. Fronds ternate or pinnate ; leafets 3-parted, lobed. 



Plum.fil t: 66. A. Jaca, Collett. 2. t. 2- /. 3. 4. 

 marginatum. Divifions oppofite, ovate-lanceolate, flightly margined. 



Plum.fil t. 106. 

 decuffatum, Divifions fomewhat hearted, broad lanceolate, ferrate, 



obtufely auricled each fide of the bafe. Sivart. 

 falicifolium. Divifions fomewhat trapezio- lanceolate, falcate, un- 

 equally crenate, obtufely rectangular upwards at the bafe. 



Plum.fil. /. 60. 

 tultrifolium* Segments falcate-lanceolate, cut-fetrate, angular down-* 



wards at the bafe j lower-ones auricled upwards* Plum, fil 



tab. 59, 



